Barangay Tigbalua I

Classified as a small barangay, Barangay Tigbalua I is one of the administrative divisions of Sibalom in Antique, Western Visayas, Philippines.

According to the 2020 Philippine census, Barangay Tigbalua I had a population of 725. This made it the 32nd largest of 76 barangays in Sibalom by population, placing it in the middle tier of the municipality. Residents of Barangay Tigbalua I accounted for approximately 1.14% of the total population of Sibalom, which stood at 63,833 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Tigbalua I moving from 717 residents to 725 residents, an intercensal change of +1.1%. The trajectory indicates a slowly expanding community. Barangay Tigbalua I is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Sibalom is a municipality comprising 76 barangays, and serves as the governing unit directly responsible for local services in Barangay Tigbalua I, including public health, sanitation, peace and order, and civil registration. Within the wider province of Antique, which contains 590 barangays across its component cities and municipalities, Barangay Tigbalua I ranks 313th by 2020 population. Antique is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Tigbalua I is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.